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Thomasomys pagaibambensis PERU Cajamarca, Chota, El Mirador, Agua de Montaña (locality 18: 6.380954°S, 79.126427°W; MUSM 40961–40967). Cajamarca, Chota, La Granja, Qda. Agua de la Montaña (locality 17: 6.359960°S, 79.142670°W; MUSM 40357, 40358, 41591). Cajamarca, Chota, Pagaibamba (locality 22: 6.432256°S, 79.070808°W; MUSM 40968– 40990). Cajamarca, Chota, Pagaibamba Alto (locality 23: 6.433360°S, 79.072210°W; MUSM 39524– 39527). Cajamarca, Chota, Pagaibamba Bajo (locality 20: 6.419030°S, 79.058920°W; MUSM 39528–39532)., Published as part of Pacheco, Víctor & Ruelas, Dennisse, 2023, Systematic Revision Of Thomasomys Cinereus (Rodentia: Cricetidae: Sigmodontinae) From Northern Peru And Southern Ecuador, With Descriptions Of Three New Species, pp. 1-73 in Bulletin of the American Museum of Natural History 2023 (461) on page 64, DOI: 10.1206/0003-0090.461.1.1

Thomasomys cinereus PERU Cajamarca, Cajamarca, Encañada (locality 40: 6.944976°S, 78.362122°W; MUSM 42453, 42454). Cajamarca, Cajamarca, Páramo de Cajamarca (not located; BNMH 0.3.15.4, 0.3.15.5). Cajamarca, Cajamarca, Quengorrio (locality 37: 6.8446100°S, 78.4318300°W; MUSM 38350). Cajamarca, Cajamarca, San Juan de Yerbabuena (locality 38: 6.9766300°S, 78.3799800°W; MUSM 38351, 38352). Cajamarca, Celendín, CCPP La Florida (locality 47: 7.041686°S, 78.137400°W; MUSM 38005). Cajamarca, Celendín, CCPP Lalucma (locality 46: 6.923999°S, 78.244523°W; MUSM 38006). Cajamarca, Celendín, CCPP Sorochuco (locality 45: 6.893929°S, 78.244760°W; MUSM 38007). Cajamarca, Celendín, Coñicorgue (locality 41: 6.8330600°S, 78.3149600°W; MUSM 38349, 38493–38495). Cajamarca, Celendín, El Punre (locality 44: 6.994457°S, 78.279074°W; MUSM 39369– 39373). Cajamarca, Celendín, Hacienda El Punre (locality 43: 7.007557°S, 78.288909°W; MUSM 38008). Cajamarca, Celendín, Laguna Milpo (locality 42: 6.975250°S, 78.307950°W; MUSM 34949). Cajamarca, Celendín, Porvenir (locality 39: 6.977116°S, 78.379967°W; MUSM 38496, 38497). Cajamarca, Contumaza, Bosque Cachil (locality 48: 7.395183°S, 78.780277°W; MUSM 51108–51113, 51115–51117, 52399– 52406). Cajamarca, Cutervo, Cutervo (locality 24: 6.378980°S, 78.817920°W; BMNH 81.9.7.29). Cajamarca, Cutervo, Parque Nacional Cutervo, 100 m over Tragadero (locality 25: 6.249972°S, 78.766528°W; MUSM 46716). Cajamarca, San Miguel, Seques (locality 26: 6.900000°S, 79.300000°W; AMNH 73127, 73129). Cajamarca, San Miguel, Taulis (locality 27: 6.833300°S, 79.166670°W; AMNH 73136, 73147). Cajamarca, Santa Cruz, 2 Km E Monteseco (locality 28: 6.857110°S, 79.098200°W; MUSM uncatalogued [VPT 1629, VPT 1640, VPT 1650). Cajamarca, Santa Cruz, 3.81 km NE from Monteseco (locality 29: 6.8437300°S, 79.0812540°W; MUSM 46756–46759; UMMZ 178461, 178463, 178467, 178482, 178488). Cajamarca, Santa Cruz, 35 mi NW Cajamarca (locality 30: 6.971760°S, 78.987800°W; MVZ 137937–137939). Cajamarca, Santa Cruz, Alcaparrosa, T 28 (locality 34: 6.786230°S, 78.890020°W; MUSM 25704). Cajamarca, Santa Cruz, Bancuyoc, T 07 (locality 32: 6.823410°S, 78.903620°W; MUSM 25705). Cajamarca, Santa Cruz, Bosque San Pedro (locality 33: 6.806293°S, 78.896919°W; MUSM 46909). Cajamarca, Santa Cruz, La Zanja y La Redonda (locality 35: - 6.821666°S, - 78.88166°W; MUSM 23346). Cajamarca, Santa Cruz, Pampa Verde (locality 31: 6.814830°S, 78.912050°W; MUSM 25706–25708). Cajamarca, Santa Cruz, Pisit T 25 (locality 36: 6.811390°S, 78.870520°W; MUSM 25709). La Libertad, Daniel A. Carrión, La Arena (locality 51: 7.88955°S, 78.13786°W; MUSM 24136–24142, 24166–24172). La Libertad, Daniel A. Carrión, South of Huamachuco (locality 50: 7.814830°S, 78.050030°W; BMNH 0.6.6.12). La Libertad, Gran Chimú, La Clambay (locality 49: 7.622123°S, 78.435071°W; MUSM 52972, 52973). La Libertad, Santiago de Chuco, Cachicadán (locality 55: 8.0646300°S, 78.1732100°W; MUSM 17285–17299, 17302). La Libertad, Santiago de Chuco, El Fundo Río Chuyuhual (locality 54: 7.933627°S, 78.220142°W; MUSM 41102, 41103, 42008–42012). La Libertad, Santiago de Chuco, Lagunas del Norte, río Chuyuhual (locality 53: 7.9304800°S, 78.2180200°W; MUSM 24928). La Libertad, Santiago de Chuco, Lagunas Norte, río Perejil, San Pedro (locality 52: 7.9262000°S, 78.2790800°W; MUSM 24774)., Published as part of Pacheco, Víctor & Ruelas, Dennisse, 2023, Systematic Revision Of Thomasomys Cinereus (Rodentia: Cricetidae: Sigmodontinae) From Northern Peru And Southern Ecuador, With Descriptions Of Three New Species, pp. 1-73 in Bulletin of the American Museum of Natural History 2023 (461) on pages 63-64, DOI: 10.1206/0003-0090.461.1.1

Thomasomys lojapiuranus ECUADOR Loja, Espindola, Guardianía, Parque Nacional Yacuri National (locality 2: 4.7124700°S, 79.44067°W; MEPN 12549). Loja, Espindola, Parque Nacional Yacuri 10.1 (locality 4: 4.725244°S, 79.434502°W; QCAZ 15641). PERU Piura, Ayabaca, Aypate (4.70756179°S, 79.57981948°W; (locality 1: MUSM uncatalogued: ASA06, ASA11, ASA12, ASA16, ASA23, ASA27; MUSM 38501). Piura, Ayabaca, Bosque de Huamba, 44 km E Ayabaca (locality 3: 4.718720°S, 79.530850°W; MUSM 511). Piura, Huancabamba, Pariamarca Alto (locality 6: 5.158670°S, 79.549010°W; MUSM 23758–23762). Piura, Huancabamba, 15 road Km E Canchaque (locality 12: 5.400000°S, 79.464660°W; LSUMZ 19315, 19316). Piura, Huancabamba, 33 road Km SW Huancabamba (locality 13: 5.455450°S, 79.662160°W; LSUMZ 19301–19314, 19707, 20313). Piura, Huancabamba, Cerro Chinguela, ca. 5 km NE Zapalache (locality 5: 5.116666°S, 79.383333°W; LSUMZ 27147). Piura, Huancabamba, Cruz Blanca, ca. 33 rd. Km SW Huancabamba (locality 7: 5.333333°S, 79.533333°W; LSUMZ 27045–27081, 27130–27146). Piura, Huancabamba, Tambo (locality 9: 5.350000°S, 79.550000°W; FMNH 81297– 81299, 81301–81306, 81308–81312, 81325–81330, 81334, 81336). Piura, Huancabamba, Canchaque (locality 11: 5.400000°S, 79.600000°W; FMNH 83444– 83454). Piura, Huancabamba, El Tambo (locality 10: 5.3594000°S, 79.5511000°W; USNM 304535–304537). Piura, Huancabamba, Sondorillo, Ulpamache (locality 8: 5.338900°S, 79.491400°W; USNM 551643).

Pagaibamba Thomasomys Figures 6D, 8, 9, 10D, 11D, 11H, 12D, 13D, Published as part of Pacheco, Víctor & Ruelas, Dennisse, 2023, Systematic Revision Of Thomasomys Cinereus (Rodentia: Cricetidae: Sigmodontinae) From Northern Peru And Southern Ecuador, With Descriptions Of Three New Species, pp. 1-73 in Bulletin of the American Museum of Natural History 2023 (461) on page 48, DOI: 10.1206/0003-0090.461.1.1

Shallqa Thomasomys Figures 6C, 8, 9, 10C, 11C, 11G, 12C, 13C, 14

Thomasomys lojapiuranus ECUADOR Loja, Espindola, Guardianía, Parque Nacional Yacuri National (locality 2: 4.7124700°S, 79.44067°W; MEPN 12549). Loja, Espindola, Parque Nacional Yacuri 10.1 (locality 4: 4.725244°S, 79.434502°W; QCAZ 15641). PERU Piura, Ayabaca, Aypate (4.70756179°S, 79.57981948°W; (locality 1: MUSM uncatalogued: ASA06, ASA11, ASA12, ASA16, ASA23, ASA27; MUSM 38501). Piura, Ayabaca, Bosque de Huamba, 44 km E Ayabaca (locality 3: 4.718720°S, 79.530850°W; MUSM 511). Piura, Huancabamba, Pariamarca Alto (locality 6: 5.158670°S, 79.549010°W; MUSM 23758–23762). Piura, Huancabamba, 15 road Km E Canchaque (locality 12: 5.400000°S, 79.464660°W; LSUMZ 19315, 19316). Piura, Huancabamba, 33 road Km SW Huancabamba (locality 13: 5.455450°S, 79.662160°W; LSUMZ 19301–19314, 19707, 20313). Piura, Huancabamba, Cerro Chinguela, ca. 5 km NE Zapalache (locality 5: 5.116666°S, 79.383333°W; LSUMZ 27147). Piura, Huancabamba, Cruz Blanca, ca. 33 rd. Km SW Huancabamba (locality 7: 5.333333°S, 79.533333°W; LSUMZ 27045–27081, 27130–27146). Piura, Huancabamba, Tambo (locality 9: 5.350000°S, 79.550000°W; FMNH 81297– 81299, 81301–81306, 81308–81312, 81325–81330, 81334, 81336). Piura, Huancabamba, Canchaque (locality 11: 5.400000°S, 79.600000°W; FMNH 83444– 83454). Piura, Huancabamba, El Tambo (locality 10: 5.3594000°S, 79.5511000°W; USNM 304535–304537). Piura, Huancabamba, Sondorillo, Ulpamache (locality 8: 5.338900°S, 79.491400°W; USNM 551643)., Published as part of Pacheco, Víctor & Ruelas, Dennisse, 2023, Systematic Revision Of Thomasomys Cinereus (Rodentia: Cricetidae: Sigmodontinae) From Northern Peru And Southern Ecuador, With Descriptions Of Three New Species, pp. 1-73 in Bulletin of the American Museum of Natural History 2023 (461) on page 64, DOI: 10.1206/0003-0090.461.1.1

Pagaibamba Thomasomys Figures 6D, 8, 9, 10D, 11D, 11H, 12D, 13D

Shallqa Thomasomys Figures 6C, 8, 9, 10C, 11C, 11G, 12C, 13C, 14, Published as part of Pacheco, Víctor & Ruelas, Dennisse, 2023, Systematic Revision Of Thomasomys Cinereus (Rodentia: Cricetidae: Sigmodontinae) From Northern Peru And Southern Ecuador, With Descriptions Of Three New Species, pp. 1-73 in Bulletin of the American Museum of Natural History 2023 (461) on page 44, DOI: 10.1206/0003-0090.461.1.1

Olive-gray Thomasomys Figures 6A, 7, 8, 9, 10A, 11A, 11E, 12A, 13A, Published as part of Pacheco, Víctor & Ruelas, Dennisse, 2023, Systematic Revision Of Thomasomys Cinereus (Rodentia: Cricetidae: Sigmodontinae) From Northern Peru And Southern Ecuador, With Descriptions Of Three New Species, pp. 1-73 in Bulletin of the American Museum of Natural History 2023 (461) on page 21, DOI: 10.1206/0003-0090.461.1.1

The most recent list of mammals in Peru, published in 2020, compiled a total of 569 species, including 82 endemic species. However, several taxonomic changes have occurred in this short time, and it makes necessary to publish an updated list of all mammalian species recorded in Peru. This new list is updated until November 2021 and includes 573 species, 223 genera, 51 families and 13 orders: Didelphimorphia (47), Paucituberculata (2), Sirenia (1), Cingulata (5), Pilosa (7), Primates (42), Lagomorpha (2), Eulipotyphla (3), Carnivora (33), Perissodactyla (2), Artiodactyla (46, including 32 cetaceans), Rodentia (194) and Chiroptera (189); of which 87 species are endemic to the country. On the other hand, the need to have valid and updated taxonomic lists for use in decision-making, leads us to propose as an optimal strategy that the Asociación de Mastozoólogos del Perú (AMP) assume the role to produce and maintain an updated list to satisfy the needs of different users, as similar organizations are doing in neighboring countries with the support of the State and NGOs., La lista de mamíferos del Perú más reciente, publicada en el año 2020, compiló un total de 569 especies y 82 especies endémicas, sin embargo, en corto tiempo varios cambios taxonómicos han ocurrido y obligan a presentar otra lista actualizada de todas las especies de mamíferos con registros en el Perú. Esta nueva lista actualizada hasta noviembre de 2021 incluye 573 especies, 223 géneros, 51 familias y 13 órdenes: Didelphimorphia (47), Paucituberculata (2), Sirenia (1), Cingulata (5), Pilosa (7), Primates (42), Lagomorpha (2), Eulipotyphla (3), Carnivora (33), Perissodactyla (2), Artiodactyla (46, incluyendo 32 cetáceos), Rodentia (194) y Chiroptera (189); de las cuales, 87 especies son endémicas para el país. Por otro lado, la necesidad de contar con listas taxonómicas válidas y actualizadas para el uso en toma de decisiones, nos lleva a proponer como una estrategia óptima que la Asociación de Mastozoólogos del Perú (AMP) asuma el rol de mantener actualizada una lista que cubra las necesidades de los diferentes usuarios, tal como organizaciones similares lo vienen haciendo en países vecinos con el apoyo del Estado y ONGs.

Ruelas, Dennisse, Pacheco, Víctor, Inche, Betsy, Tinoco, Nicolas (2021): A preliminary review of Nephelomys albigularis (Tomes, 1860) (Rodentia: Cricetidae), with the description of a new species from the Peruvian montane forests. Zootaxa 5027 (2): 175-210, DOI: https://doi.org/10.11646/zootaxa.5027.2.3